H04N25/672

IMAGE CAPTURING APPARATUS, CONTROL METHOD THEREFOR, IMAGE SENSOR, AND CONTROL METHOD THEREFOR
20170353676 · 2017-12-07 ·

An image capturing apparatus comprises a pixel area having a plurality of pixels arranged in a matrix; output circuits that apply preset processing to signals read out in parallel from divided areas obtained by dividing the pixel area in a column direction and output the processed signals in parallel; a controller that performs control to execute first driving for reading out signals for obtaining correction data from the divided areas to the output circuits, and second driving for reading out image signals from the divided areas to the output circuits; and a correction circuit that obtains the correction data from the signals read out through the first driving and corrects the image signals using the correction data. The controller executes the first driving with respect to pixels in a part of rows that includes a row at a border of the divided areas.

Anti-eclipse circuitry with tracking of floating diffusion reset level
09838624 · 2017-12-05 · ·

Imagers and associated devices and systems are disclosed herein. In one embodiment, an imager includes a pixel array and control circuitry operably coupled to the pixel array. The pixel array includes an imaging pixel configured to produce a reset signal and a non-imaging pixel configured to produce a nominal reset signal. The control circuitry is configured to produce an output signal based at least in part on one of (a) the nominal reset signal when distortion at the imaging pixel exceeds a threshold and (b) the reset signal when distortion does not exceed the threshold.

PARALLELIZATION TECHNIQUE FOR GAIN MAP GENERATION USING OVERLAPPING SUB-IMAGES
20220053144 · 2022-02-17 ·

A method includes obtaining multiple spatially-displaced input images of a scene based on image data captured using multiple imaging sensors. The method also includes dividing each of the input images into multiple overlapping sub-images. The method further includes generating multiple overlapping sub-image gain maps based on the sub-images. In addition, the method includes combining the sub-image gain maps to produce a final gain map identifying relative gains of the imaging sensors. An adjacent and overlapping pair of sub-image gain maps are combined by renormalizing gain values in at least one of the pair of sub-image gain maps so that average gain values in overlapping regions of the pair of sub-image gain maps are equal or substantially equal.

Anti-eclipse circuitry with tracking of floating diffusion reset level
11245862 · 2022-02-08 · ·

Imagers and associated devices and systems are disclosed herein. In one embodiment, an imager includes a pixel array and control circuitry operably coupled to the pixel array. The pixel array includes an imaging pixel configured to produce a reset signal and a non-imaging pixel configured to produce a nominal reset signal. The control circuitry is configured to produce an output signal based at least in part on one of (a) the nominal reset signal when distortion at the imaging pixel exceeds a threshold and (b) the reset signal when distortion does not exceed the threshold.

Systems and methods for operating an imaging device

The various embodiments illustrated herein disclose a method for operating an imaging device. the method includes activating a first image sensor at a first duty cycle within a first time period. The method further includes activating a second image sensor at a second duty cycle within the first time period. Additionally, the method includes modifying at least one of the first duty cycle or the second duty cycle based on at least a workflow associated an operator of the imaging device.

IMAGE SENSING DEVICE AND METHOD FOR DRIVING THE SAME
20170223294 · 2017-08-03 ·

An image sensing device includes a plurality of pixel groups, each pixel group including two or more neighboring pixels, and a controller suitable for controlling the pixel groups on a basis of a frame unit, wherein a readout order of the pixels in each of the pixel groups is different between present and next frames.

SOLID-STATE IMAGE SENSOR AND IMAGING APPARATUS
20170272742 · 2017-09-21 · ·

A solid-state image sensor includes a pixel unit having a plurality of pixels arranged in matrix, a read signal processing circuit, a test signal output circuit, a test signal generating circuit, and a control circuit that controls operations of the above mentioned circuits. Each of the plurality of pixels outputs a pixel signal that is obtained by amplifying a photoelectrically converted signal using an output amplifier in one or more pixel units. The read signal processing circuit reads the pixel signal output from the pixel unit in units of one or more pixels to a corresponding signal line and processes the pixel signal. The test signal output circuit, having a test output amplifier for each signal line, outputs a signal from the test output amplifier to the signal line in response to a test signal input to the test output amplifier. The test signal generating circuit generates the test signal.

SYSTEMS AND METHODS FOR OPERATING AN IMAGING DEVICE

The various embodiments illustrated herein disclose a method for operating an imaging device. the method includes activating a first image sensor at a first duty cycle within a first time period. The method further includes activating a second image sensor at a second duty cycle within the first time period. Additionally, the method includes modifying at least one of the first duty cycle or the second duty cycle based on at least a workflow associated an operator of the imaging device.

SOLID-STATE IMAGING APPARATUS, SIGNAL PROCESSING METHOD OF SOLID-STATE IMAGING APPARATUS AND ELECTRONIC DEVICE

Disclosed are a solid-state imaging apparatus, a signal processing method of a solid-state imaging apparatus, and an electronic device, which are capable of correcting uneven sensitivities generated by multiple factors in a broad area and realizing the higher-precision image quality. A correction circuit 710 weight a sensitivity Pi corresponding to a pixel signal of each pixel related to correction in a pixel unit PU that is the correction target and a sensitivity Pi corresponding to a pixel signal of each pixel related to correction in at least one same color pixel unit PU and adjacent to the pixel unit PU that is the correction target by a weighting coefficient Wi. Consequently, the correction coefficient μ is calculated by dividing a sum of the weighted sensitivities by a total number n of pixels related to correction.

ANTI-ECLIPSE CIRCUITRY WITH TRACKING OF FLOATING DIFFUSION RESET LEVEL
20220150426 · 2022-05-12 ·

Imagers and associated devices and systems are disclosed herein. In one embodiment, an imager includes a pixel array and control circuitry operably coupled to the pixel array. The pixel array includes an imaging pixel configured to produce a reset signal and a non-imaging pixel configured to produce a nominal reset signal. The control circuity is configured to produce an output signal based at least in part on one of (a) the nominal reset signal when distortion at the imaging pixel exceeds a threshold and (b) the reset signal when distortion does not exceed the threshold.